SH64: Price vs Quality: The Efficiency-Thoroughness Trade Off

SH64: Price vs Quality: The Efficiency-Thoroughness Trade Off

In this episode, we delve into the complexities of dive training agency standards and the challenges faced by instructors in evaluating student performance. While standards outline specific skills, determining their mastery isn't always straightforward. New instructors, lacking experience and nuanced judgment, often prioritize efficiency over thoroughness due to external pressures like time constraints and financial considerations. This efficiency-thoroughness trade-off (ETTO) can compromise the quality of instruction, leading to pass grades for students who may not be fully prepared. The root issue lies in instructors' limited exposure to diverse student experiences and the reluctance of dive centers to invest in extensive observation opportunities. As an industry, we must reconsider this trade-off, where financial concerns often outweigh safety and quality. Ultimately, the responsibility falls on individual divers to evaluate their skills, raising questions about the integrity of certification processes and the adequacy of diver preparedness.

Original blog: https://www.thehumandiver.com/blog/price-vs-quality-the-efficiency-thoroughness-trade-off

Links:

Erik Holnagel’s paper: https://erikhollnagel.com/onewebmedia/ETTO.pdf

Another blog about ETTO: https://www.thehumandiver.com/blog/ETTO

Tags:

English, Decision Making, ETTO, Jenny Lord

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Avsnitt(295)

SH295: Four Ways We Talk About 'Human Factors' in Diving

SH295: Four Ways We Talk About 'Human Factors' in Diving

This episode explores what people really mean when they talk about “human factors” in diving—and why the term can sometimes create more confusion than clarity. It looks at four different ways the phra...

11 Juli 11min

SH294: Clickbait, trolls and comments. How dive incident posts can teach us — if we let them

SH294: Clickbait, trolls and comments. How dive incident posts can teach us — if we let them

Discussions about diving incidents on social media often follow a predictable pattern: a short, simplified post describes what happened, and comments quickly focus on blaming the individual involved, ...

8 Juli 13min

SH293: Why does nothing change? Why do the same failures keep happening?

SH293: Why does nothing change? Why do the same failures keep happening?

Over the past decade, diving fatalities have remained stubbornly consistent despite better equipment, more training, and growing participation, suggesting the problem isn’t just technical or individua...

4 Juli 22min

SH292: Learning or Blaming: The Choice the Diving Industry Needs to Make. Part 3 of 3.

SH292: Learning or Blaming: The Choice the Diving Industry Needs to Make. Part 3 of 3.

This final blog explores what the research means and how the diving community can realistically improve learning and safety. It argues that the problem is not broken individuals but a system that quie...

1 Juli 14min

SH291: What the Data Told Us: Fear, Trust, and the Stories That Never Get Told. Part 2 of 3.

SH291: What the Data Told Us: Fear, Trust, and the Stories That Never Get Told. Part 2 of 3.

This blog explains how a mixed-methods study explored why divers struggle to share honest, learning-focused stories about incidents. Using a large international survey, focus groups, and expert interv...

27 Juni 13min

SH290: What Happens Underwater, Stays Underwater — And That's a Problem. Part 1 of 3

SH290: What Happens Underwater, Stays Underwater — And That's a Problem. Part 1 of 3

This episode introduces the problem behind learning in diving safety, using the 2020 death of Linnea Mills to highlight how incidents are often caused by deeper system issues, not just individual mist...

24 Juni 12min

SH289: Chac Mool - Diving Deeper into a Triple Fatality with Human Factors

SH289: Chac Mool - Diving Deeper into a Triple Fatality with Human Factors

This episode examines a 2012 triple fatality at Cenote Chac Mool in Mexico using a Human Factors approach, showing how accidents are rarely caused by a single mistake but by a combination of small, in...

20 Juni 24min

SH288: The 'Obvious Thing' Nobody Noticed

SH288: The 'Obvious Thing' Nobody Noticed

This episode explores the fatal case of 18-year-old Linnea Mills to show how visible hazards can go unnoticed when an instructor lacks the mental capacity to recognise them. Linnea was overweighted, u...

17 Juni 15min

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